ESR ESR integrates, designs, programs, and deploys software-centric, mission-critical systems. Our methodology, sdlcR!®, emphasizes business modeling and the development of high-fidelity requirements as the solid foundation on which technical solutions must be engineered. Our approach is an Agile, iterative, requirements-driven, and architecture-centric methodology. This allows us to reliably deliver enterprise-scale solutions while managing the change in requirements, scope, schedule, and cost. A testament to our approach is that we received a U.S. Department of Homeland Security Small Business Achievement Award for our work at the Transportation Security Administration to stand up two mission-critical systems on time and in budget. We were №103 on Inc. Magazine’s 2010 Inc. 500 fastest growing private companies and №9 among IT services firms. We have delivered 100% of the time for our customers. ESR is a Microsoft, IBM Rational, Oracle, and Appian Partner. We are an SBA certified 8(a) Small Disadvantaged Business and a Maryland Minority Business Enterprise. ESR clients include U.S. Department of Homeland Security, Immigration and Customs Enforcement (ICE), Transportation Security Administration (TSA), U.S. Department of Commerce,the U.S. Food and Drug Administration, and the Internal Revenue Service. ESR is located in Columbia, Maryland. ESR holds Prime contracts with CIO-SP3 SB & 8(a); STARS II, eFast, SeaPortE, GSA Schedule 70, and is a Core Team member of 2 Eagle II teams -T-Rex (HUBZone), and ComTek (UNR).